Details Abbas.5660 This is a dangerous memory resident parasitic virus. It hooks INT 9, 21h and writes itself to the end of COM and EXE files that are executed. By using INT 9 (keyboard) the virus checks INT 1 (trace), and while tracing it displays the message: IRANIAN VIRUS ABBAS KUHKAN ALIABADI and halt the computer. The viruses also contain the text string: KUH Depending on the system timer “Abbas.5660” loads some font, and displays (persian?) messages.

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